[weld-issues] [JBoss JIRA] (WELD-1067) Thread safety issue in BeansClosure

Thread safety issue in BeansClosure ----------------------------------- Key: WELD-1067 URL: https://issues.jboss.org/browse/WELD-1067 Project: Weld Issue Type: Bug Affects Versions: 1.1.4.Final Environment: AS 7.1.0.CR1b Reporter: Magesh Bojan Assignee: Ales Justin The getClosure() method does not synchronize on get. This leads to multiple Weld deployments on AS7 calling the get method, all at once and leads to the following error: java.lang.NullPointerException at org.jboss.weld.manager.BeanManagerImpl.getMostSpecializedBean(BeanManagerImpl.java:931) at org.jboss.weld.manager.BeanManagerImpl.getReference(BeanManagerImpl.java:605) at org.jboss.weld.event.ObserverMethodImpl.sendEvent(ObserverMethodImpl.java:228) at org.jboss.weld.event.ObserverMethodImpl.notify(ObserverMethodImpl.java:207) at org.jboss.weld.bootstrap.events.AbstractContainerEvent.fire(AbstractContainerEvent.java:75) at org.jboss.weld.bootstrap.events.AbstractDefinitionContainerEvent.fire(AbstractDefinitionContainerEvent.java:46) at org.jboss.weld.bootstrap.events.BeforeBeanDiscoveryImpl.fire(BeforeBeanDiscoveryImpl.java:46) at org.jboss.weld.bootstrap.WeldBootstrap.startInitialization(WeldBootstrap.java:322) at org.jboss.as.weld.WeldContainer.start(WeldContainer.java:80) at org.jboss.as.weld.services.WeldService.start(WeldService.java:89) at org.jboss.msc.service.ServiceControllerImpl$StartTask.startService(ServiceControllerImpl.java:1824) at org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1759) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source)